Analysis of Top Quark Pair Production Signal from Neutral 2HDM Higgs Bosons at LHC

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:4.29em"/><col style="width:3.99em"/><col style="width:4.55em"/><col style="width:4.55em"/><col style="width:5.26em"/><col style="width:5.26em"/><col style="width:5.26em"/><col style="width:5.26em"/><col style="width:2.25em"/><col style="width:1.88em"/></colgroup><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center" colspan="9">Background</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left">Process</td><td class="align_center"><span style="width: 8.998878ptpx;"><svg height="11.282368pt" id="M124" style="vertical-align:-0.2063951pt" version="1.1" viewbox="-0.049816 -11.075973 8.998878 11.282368" width="8.998878pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g><rect height="0.65243" width="4.449623" x="4.449623" y="-10.373727"></rect><g transform="matrix(.013,0,0,-0.013,4.45,0)"><path d="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g></svg></span></td><td class="align_center">QCD</td><td class="align_center">WW</td><td class="align_center">WZ</td><td class="align_center">ZZ</td><td class="align_center">STS</td><td class="align_center">STT</td><td class="align_center">W</td><td class="align_center">Z</td></tr><tr><td class="align_left" colspan="10"><hr/></td></tr><tr><td class="align_left">eff</td><td class="align_center">0.0027</td><td class="align_center"><span style="width: 42.887755ptpx;"><svg height="11.786048pt" 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class="align_left">Events</td><td class="align_center">353525</td><td class="align_center">40000</td><td class="align_center">5.9</td><td class="align_center">8.3</td><td class="align_center">4.0</td><td class="align_center">63.8</td><td class="align_center">365.7</td><td class="align_center">0</td><td class="align_center">0</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Background selection efficiencies and number of events at <svg height="12.717766pt" id="M121" style="vertical-align:-3.429431pt" version="1.1" viewbox="-0.049816 -9.288335 57.092042 12.717766" width="57.092042pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M298 36L289 62C276 55 253 45 228 45C202 45 169 60 169 141V397H276C289 405 292 426 282 437H169V574L155 576L90 509V437H45L17 408L21 397H90V107C90 28 125 -12 188 -12C198 -12 213 -8 230 1L298 36Z"></path></g><g transform="matrix(.013,0,0,-0.013,4.058,0)"><path d="M433 39L423 65C413 59 399 54 387 54C370 54 352 69 352 114V299C352 352 342 392 307 422C285 440 255 449 225 449C168 437 102 399 75 379C56 365 44 353 44 339C44 315 69 296 87 296C101 296 111 303 116 319C124 349 133 371 145 385C156 397 171 404 190 404C241 404 275 364 275 291V274C253 256 180 229 120 209C65 190 39 159 39 110C39 47 88 -12 159 -12C189 -12 237 25 277 52C282 35 288 21 301 8C312 -3 333 -12 348 -12L433 39ZM275 84C256 65 221 48 195 48C164 48 124 73 124 124C124 161 146 180 185 198C206 208 254 229 275 240V84Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.669,0)"><path d="M524 0V26C466 32 460 36 460 104V297C460 393 411 449 331 449C302 449 276 437 248 419C223 402 201 387 181 372V451C137 432 90 420 42 411V388C96 378 102 374 102 310V104C102 38 97 33 29 26V0H246V26C187 32 181 36 181 104V339C211 365 250 390 290 390C357 390 381 345 381 276V109C381 40 374 32 315 26V0H524Z"></path></g><g transform="matrix(.013,0,0,-0.013,18.986,0)"><path d="M558 587C558 666 497 712 432 712C379 712 330 691 284 650C212 586 178 508 148 348L71 -65C49 -185 35 -229 23 -235L27 -261C49 -259 101 -251 124 -224C131 -216 138 -178 159 -24C171 66 197 200 227 356C264 550 295 668 393 668C443 668 479 632 479 575C479 516 446 458 383 418C361 404 344 398 318 397L296 350C395 338 460 281 460 192C460 110 411 40 300 40C258 40 215 55 192 69L181 51C191 18 222 -16 266 -16C308 -16 351 1 397 26C471 67 545 142 545 221C545 315 486 365 401 395C469 437 558 498 558 587Z"></path></g><g transform="matrix(.013,0,0,-0.013,30.199,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,41.491,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g><g transform="matrix(.013,0,0,-0.013,47.754,0)"><path d="M113 -12C146 -12 170 11 170 46C170 78 146 103 114 103S58 78 58 46C58 11 82 -12 113 -12Z"></path></g><g transform="matrix(.013,0,0,-0.013,50.729,0)"><path d="M153 550H386L412 615L406 623H120L82 318C104 327 142 338 184 338C294 338 347 275 347 187C347 112 305 39 221 39C160 39 119 71 97 89C88 97 80 96 71 90C59 80 50 67 49 57C48 45 52 36 66 23C80 9 123 -12 169 -12C221 -11 288 15 342 59C403 109 431 165 431 225C431 308 366 395 238 395C212 395 165 379 127 364L153 550Z"></path></g></svg> before the mass window cut. The QCD sample is the 6-jet final state and STS (STT) denote the single top <span class="nowrap"><svg height="6.167302pt" id="M122" style="vertical-align:-0.2063942pt" version="1.1" viewbox="-0.049816 -5.960908 4.992904 6.167302" width="4.992904pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M352 391C352 416 319 448 267 448C236 448 173 423 147 400C107 364 96 332 96 304C96 248 143 210 193 181C241 153 258 124 258 100C258 72 232 38 184 38C151 38 107 66 81 108C77 114 64 116 55 111C34 99 23 84 23 65C23 29 81 -12 134 -12C220 -12 325 61 325 141C325 184 297 215 234 256C194 282 161 309 161 346C161 380 188 401 217 401C255 401 279 380 301 353C308 344 313 341 325 347C341 355 352 371 352 391Z"></path></g></svg>-</span>(<span class="nowrap"><svg height="8.020217pt" id="M123" style="vertical-align:-0.2063937pt" version="1.1" viewbox="-0.049816 -7.813823 4.549255 8.020217" width="4.549255pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g></svg>-)</span> channel.</div>

Advances in High Energy Physics

tab4

Table 4

Table 4: Analysis of Top Quark Pair Production Signal from Neutral 2HDM Higgs Bosons at LHC 